Signed-off-by: Christophe Fergeau <cferg...@redhat.com>
---
common/quic_tmpl.c | 184 +++++++++++++++++++++++++++++++----------------------
1 file changed, 107 insertions(+), 77 deletions(-)
diff --git a/common/quic_tmpl.c b/common/quic_tmpl.c
index 631334d..7a0c898 100644
--- a/common/quic_tmpl.c
+++ b/common/quic_tmpl.c
@@ -40,6 +40,9 @@
#define BPC 8
#define BPC_MASK 0xffU
+#define SET_a(pix, val) ((pix)->a = val)
+#define GET_a(pix) ((pix)->a)
+
#define _PIXEL_A ((unsigned int)curr[-1].a)
#define _PIXEL_B ((unsigned int)prev[0].a)
#define _PIXEL_C ((unsigned int)prev[-1].a)
@@ -78,6 +81,22 @@ static inline void FNAME(correlate)(const PIXEL *prev, PIXEL
*curr, const BYTE c
curr->a = (family.xlatL2U[correlate] + (int)((_PIXEL_A + _PIXEL_B) >> 1))
& bpc_mask;
}
+#define COMPRESS_ONE_ROW0_0(channel)
\
+ correlate_row[0] = family.xlatU2L[cur_row->a];
\
+ golomb_coding(correlate_row[0], find_bucket(channel,
correlate_row[-1])->bestcode, \
+ &codeword, &codewordlen);
\
+ encode(encoder, codeword, codewordlen);
+
+#define COMPRESS_ONE_ROW0(channel, index)
\
+ correlate_row[index] = FNAME(decorrelate_0)(&cur_row[index], bpc_mask);
\
+ golomb_coding(correlate_row[index], find_bucket(channel,
\
+ correlate_row[index-1])->bestcode,
\
+ &codeword, &codewordlen);
\
+ encode(encoder, codeword, codewordlen);
+
+#define UPDATE_MODEL(index)
\
+ update_model(state, find_bucket(channel, correlate_row[index - 1]),
\
+ correlate_row[index]);
static void FNAME(compress_row0_seg)(Encoder *encoder, Channel *channel, int i,
const PIXEL * const cur_row,
@@ -95,17 +114,13 @@ static void FNAME(compress_row0_seg)(Encoder *encoder,
Channel *channel, int i,
if (i == 0) {
unsigned int codeword, codewordlen;
- correlate_row[0] = family.xlatU2L[cur_row->a];
- golomb_coding(correlate_row[0], find_bucket(channel,
correlate_row[-1])->bestcode,
- &codeword, &codewordlen);
- encode(encoder, codeword, codewordlen);
+ COMPRESS_ONE_ROW0_0(channel);
if (state->waitcnt) {
state->waitcnt--;
} else {
state->waitcnt = (tabrand(&state->tabrand_seed) & waitmask);
- update_model(state, find_bucket(channel, correlate_row[-1]),
- correlate_row[i]);
+ UPDATE_MODEL(0);
}
stopidx = ++i + state->waitcnt;
} else {
@@ -115,28 +130,24 @@ static void FNAME(compress_row0_seg)(Encoder *encoder,
Channel *channel, int i,
while (stopidx < end) {
for (; i <= stopidx; i++) {
unsigned int codeword, codewordlen;
- correlate_row[i] = FNAME(decorrelate_0)(&cur_row[i], bpc_mask);
- golomb_coding(correlate_row[i],
- find_bucket(channel, correlate_row[i -
1])->bestcode, &codeword,
- &codewordlen);
- encode(encoder, codeword, codewordlen);
+ COMPRESS_ONE_ROW0(channel, i);
}
- update_model(state, find_bucket(channel, correlate_row[stopidx - 1]),
- correlate_row[stopidx]);
+ UPDATE_MODEL(stopidx);
stopidx = i + (tabrand(&state->tabrand_seed) & waitmask);
}
for (; i < end; i++) {
unsigned int codeword, codewordlen;
- correlate_row[i] = FNAME(decorrelate_0)(&cur_row[i], bpc_mask);
- golomb_coding(correlate_row[i], find_bucket(channel, correlate_row[i -
1])->bestcode,
- &codeword, &codewordlen);
- encode(encoder, codeword, codewordlen);
+
+ COMPRESS_ONE_ROW0(channel, i);
}
state->waitcnt = stopidx - end;
}
+#undef COMPRESS_ONE_ROW0_0
+#undef COMPRESS_ONE_ROW0
+
static void FNAME(compress_row0)(Encoder *encoder, Channel *channel, const
PIXEL *cur_row,
unsigned int width)
{
@@ -171,6 +182,21 @@ static void FNAME(compress_row0)(Encoder *encoder, Channel
*channel, const PIXEL
spice_assert(DEFwminext > 0);
}
+#define COMPRESS_ONE_0(channel) \
+ correlate_row[0] = family.xlatU2L[(unsigned)((int)GET_a(cur_row) -
\
+ (int)GET_a(prev_row) ) &
bpc_mask]; \
+ golomb_coding(correlate_row[0],
\
+ find_bucket(channel, correlate_row[-1])->bestcode,
\
+ &codeword, &codewordlen);
\
+ encode(encoder, codeword, codewordlen);
+
+#define COMPRESS_ONE(channel, index)
\
+ correlate_row[index] = FNAME(decorrelate)(&prev_row[index],
&cur_row[index], bpc_mask); \
+ golomb_coding(correlate_row[index],
\
+ find_bucket(channel, correlate_row[index - 1])->bestcode,
\
+ &codeword, &codewordlen);
\
+ encode(encoder, codeword, codewordlen);
+
static void FNAME(compress_row_seg)(Encoder *encoder, Channel *channel, int i,
const PIXEL * const prev_row,
const PIXEL * const cur_row,
@@ -190,14 +216,7 @@ static void FNAME(compress_row_seg)(Encoder *encoder,
Channel *channel, int i,
if (i == 0) {
unsigned int codeword, codewordlen;
- correlate_row[0] = family.xlatU2L[(unsigned)((int)cur_row->a -
- (int)prev_row->a) &
bpc_mask];
-
- golomb_coding(correlate_row[0],
- find_bucket(channel, correlate_row[-1])->bestcode,
- &codeword,
- &codewordlen);
- encode(encoder, codeword, codewordlen);
+ COMPRESS_ONE_0(channel);
if (state->waitcnt) {
state->waitcnt--;
@@ -215,26 +234,17 @@ static void FNAME(compress_row_seg)(Encoder *encoder,
Channel *channel, int i,
for (; i <= stopidx; i++) {
unsigned int codeword, codewordlen;
RLE_PRED_IMP;
- correlate_row[i] = FNAME(decorrelate)(&prev_row[i],
&cur_row[i], bpc_mask);
- golomb_coding(correlate_row[i],
- find_bucket(channel, correlate_row[i -
1])->bestcode, &codeword,
- &codewordlen);
- encode(encoder, codeword, codewordlen);
+ COMPRESS_ONE(channel, i);
}
- update_model(state, find_bucket(channel, correlate_row[stopidx -
1]),
- correlate_row[stopidx]);
+ UPDATE_MODEL(stopidx);
stopidx = i + (tabrand(&state->tabrand_seed) & waitmask);
}
for (; i < end; i++) {
unsigned int codeword, codewordlen;
RLE_PRED_IMP;
- correlate_row[i] = FNAME(decorrelate)(&prev_row[i], &cur_row[i],
bpc_mask);
- golomb_coding(correlate_row[i], find_bucket(channel,
- correlate_row[i -
1])->bestcode,
- &codeword, &codewordlen);
- encode(encoder, codeword, codewordlen);
+ COMPRESS_ONE(channel, i);
}
state->waitcnt = stopidx - end;
@@ -295,6 +305,23 @@ static void FNAME(compress_row)(Encoder *encoder, Channel
*channel,
spice_assert(DEFwminext > 0);
}
+#define UNCOMPRESS_PIX_START(row) do { } while (0)
+
+#define UNCOMPRESS_ONE_ROW0_0(channel)
\
+ correlate_row[0] = (BYTE)golomb_decoding(find_bucket(channel,
\
+
correlate_row[-1])->bestcode, \
+ encoder->io_word,
&codewordlen); \
+ SET_a(&cur_row[0], (BYTE)family.xlatL2U[correlate_row[0]]);
\
+ decode_eatbits(encoder, codewordlen);
+
+#define UNCOMPRESS_ONE_ROW0(channel)
\
+ correlate_row[i] = (BYTE)golomb_decoding(find_bucket(channel,
\
+ correlate_row[i - 1])->bestcode,
\
+ encoder->io_word,
\
+ &codewordlen);
\
+ FNAME(correlate_0)(&cur_row[i], correlate_row[i], bpc_mask);
\
+ decode_eatbits(encoder, codewordlen);
+
static void FNAME(uncompress_row0_seg)(Encoder *encoder, Channel *channel, int
i,
BYTE * const correlate_row,
PIXEL * const cur_row,
@@ -311,18 +338,14 @@ static void FNAME(uncompress_row0_seg)(Encoder *encoder,
Channel *channel, int i
if (i == 0) {
unsigned int codewordlen;
- correlate_row[0] = (BYTE)golomb_decoding(find_bucket(channel,
-
correlate_row[-1])->bestcode,
- encoder->io_word,
&codewordlen);
- cur_row[0].a = (BYTE)family.xlatL2U[correlate_row[0]];
- decode_eatbits(encoder, codewordlen);
+ UNCOMPRESS_PIX_START(&cur_row[i]);
+ UNCOMPRESS_ONE_ROW0_0(channel);
if (state->waitcnt) {
--state->waitcnt;
} else {
state->waitcnt = (tabrand(&state->tabrand_seed) & waitmask);
- update_model(state, find_bucket(channel, correlate_row[-1]),
- correlate_row[0]);
+ UPDATE_MODEL(0);
}
stopidx = ++i + state->waitcnt;
} else {
@@ -330,31 +353,23 @@ static void FNAME(uncompress_row0_seg)(Encoder *encoder,
Channel *channel, int i
}
while (stopidx < end) {
- struct s_bucket * pbucket = NULL;
for (; i <= stopidx; i++) {
unsigned int codewordlen;
- pbucket = find_bucket(channel, correlate_row[i - 1]);
- correlate_row[i] = (BYTE)golomb_decoding(pbucket->bestcode,
encoder->io_word,
- &codewordlen);
- FNAME(correlate_0)(&cur_row[i], correlate_row[i], bpc_mask);
- decode_eatbits(encoder, codewordlen);
+ UNCOMPRESS_PIX_START(&cur_row[i]);
+ UNCOMPRESS_ONE_ROW0(channel);
}
- update_model(state, pbucket, correlate_row[stopidx]);
-
+ UPDATE_MODEL(stopidx);
stopidx = i + (tabrand(&state->tabrand_seed) & waitmask);
}
for (; i < end; i++) {
unsigned int codewordlen;
- correlate_row[i] = (BYTE)golomb_decoding(find_bucket(channel,
- correlate_row[i -
1])->bestcode,
- encoder->io_word,
&codewordlen);
- FNAME(correlate_0)(&cur_row[i], correlate_row[i], bpc_mask);
- decode_eatbits(encoder, codewordlen);
+ UNCOMPRESS_PIX_START(&cur_row[i]);
+ UNCOMPRESS_ONE_ROW0(channel);
}
state->waitcnt = stopidx - end;
}
@@ -397,6 +412,22 @@ static void FNAME(uncompress_row0)(Encoder *encoder,
Channel *channel,
spice_assert(DEFwminext > 0);
}
+#define UNCOMPRESS_ONE_0(channel) \
+ correlate_row[0] = (BYTE)golomb_decoding(find_bucket(channel,
\
+
correlate_row[-1])->bestcode, \
+ encoder->io_word,
&codewordlen); \
+ SET_a(&cur_row[0], (family.xlatL2U[correlate_row[0]] +
\
+ GET_a(prev_row)) & bpc_mask);
\
+ decode_eatbits(encoder, codewordlen);
+
+#define UNCOMPRESS_ONE(channel)
\
+ correlate_row[i] = (BYTE)golomb_decoding(find_bucket(channel,
\
+ correlate_row[i -
1])->bestcode, \
+ encoder->io_word,
\
+ &codewordlen);
\
+ FNAME(correlate)(&prev_row[i], &cur_row[i], correlate_row[i], bpc_mask);
\
+ decode_eatbits(encoder, codewordlen);
+
static void FNAME(uncompress_row_seg)(Encoder *encoder, Channel *channel,
BYTE *correlate_row,
const PIXEL * const prev_row,
@@ -417,17 +448,14 @@ static void FNAME(uncompress_row_seg)(Encoder *encoder,
Channel *channel,
if (i == 0) {
unsigned int codewordlen;
- correlate_row[0] = (BYTE)golomb_decoding(find_bucket(channel,
correlate_row[-1])->bestcode,
- encoder->io_word,
&codewordlen);
- cur_row[0].a = (family.xlatL2U[correlate_row[0]] + prev_row[0].a) &
bpc_mask;
- decode_eatbits(encoder, codewordlen);
+ UNCOMPRESS_PIX_START(&cur_row[i]);
+ UNCOMPRESS_ONE_0(channel);
if (state->waitcnt) {
--state->waitcnt;
} else {
state->waitcnt = (tabrand(&state->tabrand_seed) & waitmask);
- update_model(state, find_bucket(channel, correlate_row[-1]),
- correlate_row[0]);
+ UPDATE_MODEL(0);
}
stopidx = ++i + state->waitcnt;
} else {
@@ -435,19 +463,15 @@ static void FNAME(uncompress_row_seg)(Encoder *encoder,
Channel *channel,
}
for (;;) {
while (stopidx < end) {
- struct s_bucket * pbucket = NULL;
-
for (; i <= stopidx; i++) {
unsigned int codewordlen;
RLE_PRED_IMP;
- pbucket = find_bucket(channel, correlate_row[i - 1]);
- correlate_row[i] = (BYTE)golomb_decoding(pbucket->bestcode,
encoder->io_word,
- &codewordlen);
- FNAME(correlate)(&prev_row[i], &cur_row[i], correlate_row[i],
bpc_mask);
- decode_eatbits(encoder, codewordlen);
+
+ UNCOMPRESS_PIX_START(&cur_row[i]);
+ UNCOMPRESS_ONE(channel);
}
- update_model(state, pbucket, correlate_row[stopidx]);
+ UPDATE_MODEL(stopidx);
stopidx = i + (tabrand(&state->tabrand_seed) & waitmask);
}
@@ -455,11 +479,8 @@ static void FNAME(uncompress_row_seg)(Encoder *encoder,
Channel *channel,
for (; i < end; i++) {
unsigned int codewordlen;
RLE_PRED_IMP;
- correlate_row[i] = (BYTE)golomb_decoding(find_bucket(channel,
-
correlate_row[i - 1])->bestcode,
- encoder->io_word,
&codewordlen);
- FNAME(correlate)(&prev_row[i], &cur_row[i], correlate_row[i],
bpc_mask);
- decode_eatbits(encoder, codewordlen);
+ UNCOMPRESS_PIX_START(&cur_row[i]);
+ UNCOMPRESS_ONE(channel);
}
state->waitcnt = stopidx - end;
@@ -472,7 +493,8 @@ do_run:
run_end = i + decode_channel_run(encoder, channel);
for (; i < run_end; i++) {
- cur_row[i].a = cur_row[i - 1].a;
+ UNCOMPRESS_PIX_START(&cur_row[i]);
+ SET_a(&cur_row[i], GET_a(&cur_row[i - 1]));
}
if (i == end) {
@@ -534,3 +556,11 @@ static void FNAME(uncompress_row)(Encoder *encoder,
Channel *channel,
#undef family
#undef BPC
#undef BPC_MASK
+#undef UPDATE_MODEL
+#undef UNCOMPRESS_PIX_START
+#undef COMPRESS_ONE_0
+#undef COMPRESS_ONE
+#undef UNCOMPRESS_ONE_ROW0
+#undef UNCOMPRESS_ONE_ROW0_0
+#undef UNCOMPRESS_ONE_0
+#undef UNCOMPRESS_ONE
--
2.13.3
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